[Ada] New port for ppc-vx7r2

2019-07-10  Patrick Bernardi  <bernardi@adacore.com>

gcc/ada/

	* Makefile.rtl: Handle vxworks7r2 ppc target

From-SVN: r273331

gcc/ada/ChangeLog

+2019-07-10  Patrick Bernardi  <bernardi@adacore.com>
+
+	* Makefile.rtl: Handle vxworks7r2 ppc target
+
 2019-07-10  Hristian Kirtchev  <kirtchev@adacore.com>
 
 	* bindo.adb: Update the section on switches.

gcc/ada/Makefile.rtl

@@ -867,7 +867,7 @@ GCC_SPEC_FILES=
 # If what's left is null then it's a match.
 
 # PowerPC and e500v2 VxWorks
-ifeq ($(strip $(filter-out powerpc% wrs vxworks vxworksspe vxworks7 vxworks7spe,$(target_cpu) $(target_vendor) $(target_os))),)
+ifeq ($(strip $(filter-out powerpc% wrs vxworks vxworksspe vxworks7% vxworks7spe,$(target_cpu) $(target_vendor) $(target_os))),)
 
   ifeq ($(strip $(filter-out e500%, $(target_alias))),)
      ARCH_STR=e500